Science · Grade 6

Active learning ideas

Protists and Fungi: Characteristics and Roles

Active learning helps students visualize microscopic organisms and understand abstract roles like nutrient cycling. Hands-on microscopy and simulations anchor textbook definitions in concrete experiences, reducing confusion between protists and fungi.

• Ontario Curriculum Expectations
• MS-LS2-1

• 30–50 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Stations Rotation
• 45 min · Small Groups

Stations Rotation: Microscope Observations

Prepare stations with pond water slides for protists (paramecia, amoebas) and yogurt smears for yeast. Students observe under microscopes, sketch structures, and list characteristics distinguishing them from other kingdoms. Groups rotate every 10 minutes and share findings.

Compare the unique characteristics of protists and fungi that distinguish them from other kingdoms.

Facilitation Tip

During Station Rotation, circulate with a focus on ensuring students record at least three observable traits of each specimen before moving to the next station.

What to look for

Provide students with images of various organisms. Ask them to sort the images into 'Protist,' 'Fungi,' or 'Neither,' and write one reason for each classification based on observable characteristics.

• Remember
• Understand
• Apply
• Analyze
• Self-Management
• Relationship Skills

Activity 02

• Gallery Walk
• 30 min · Pairs

Decomposition Challenge: Mold Growth

Provide bread slices with varying moisture and nutrients in sealed bags. Pairs predict and measure mold growth daily over a week, recording hyphae spread and discussing nutrient cycling roles. Conclude with class graph of results.

Evaluate the impact of fungi on decomposition and nutrient cycling in ecosystems.

Facilitation Tip

For Decomposition Challenge, remind students to label petri dishes with the date and sample source to track mold growth progression over time.

What to look for

Pose the scenario: 'Imagine a forest where all the fungi suddenly disappeared. What would happen to the dead leaves and fallen trees? How would this affect the animals living in the forest?' Facilitate a class discussion on decomposition and nutrient cycling.

• Understand
• Apply
• Analyze
• Create
• Relationship Skills
• Social Awareness

Activity 03

• Gallery Walk
• 40 min · Small Groups

Symbiosis Role-Play: Ecosystem Partners

Assign roles as plants, fungi, protists in a forest model. Groups act out nutrient exchange in mycorrhizae or lichen formation, then predict ecosystem effects if one partner declines. Debrief with drawings of interactions.

Predict the consequences for an ecosystem if a key protist population were to decline.

Facilitation Tip

In Symbiosis Role-Play, provide role cards with clear symbols for benefits, harms, or neutral effects to guide students’ discussions.

What to look for

Students receive a card with a specific symbiotic relationship (e.g., lichen, mycorrhizae). They must write two sentences explaining the roles of each organism in the relationship and whether it benefits, harms, or has no effect on each partner.

• Understand
• Apply
• Analyze
• Create
• Relationship Skills
• Social Awareness

Activity 04

• Gallery Walk
• 50 min · Individual

Protist Hunt: Pond Water Lab

Collect local pond water; students filter and observe under microscopes individually, identifying protist types and behaviors. Record data on motility and feeding, then collaborate to classify and discuss ecological roles.

Compare the unique characteristics of protists and fungi that distinguish them from other kingdoms.

Facilitation Tip

During Protist Hunt, give each group a simple dichotomous key to support accurate identification of pond water samples.

What to look for

Provide students with images of various organisms. Ask them to sort the images into 'Protist,' 'Fungi,' or 'Neither,' and write one reason for each classification based on observable characteristics.

• Understand
• Apply
• Analyze
• Create
• Relationship Skills
• Social Awareness

A few notes on teaching this unit

Teach protists and fungi by pairing direct instruction with inquiry. Start with a short mini-lesson on key traits, then let students explore specimens independently. Avoid over-simplifying by separating protists and fungi into distinct units; instead, compare them directly to highlight differences. Research shows that students retain more when they construct their own classification systems rather than memorizing teacher-provided ones.

Students correctly classify protists and fungi by observable traits, explain their ecological roles with examples, and recognize misconceptions through peer discussion. Evidence of learning includes detailed lab notes, clear role-play dialogue, and accurate exit-ticket responses.

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Watch Out for These Misconceptions

• During Station Rotation, watch for students assuming fungi are plants due to their stationary growth.

  Have students prepare fungal slides and compare them to plant slides under the microscope, noting chitin walls in fungi and cellulose in plants to highlight structural differences.

• During Protist Hunt, watch for students labeling all microorganisms as 'little animals.'

  Provide stained slides and direct students to focus on organelles like chloroplasts or contractile vacuoles, then guide them to categorize samples as autotrophs or heterotrophs based on observable traits.

• During Decomposition Challenge, watch for students assuming all fungi are harmful.

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Methods used in this brief

• Stations Rotation
• Gallery Walk